Final answer:
A test performed on whole blood is a Complete Blood Count (CBC), which provides information about the different components of blood.
Step-by-step explanation:
A test that is performed on whole blood is a Complete Blood Count (CBC). This test provides information about the different components of blood, including red blood cells, white blood cells, and platelets. It can help diagnose various conditions, such as anemia, infections, and blood disorders. The CBC includes measurements like hemoglobin levels, white blood cell count, and platelet count.
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